the sequence 29, 31, 33, 35, 37.... 49 has 11 terms. Evaluate the related series..

my teacher said its 429 don't see how she got it

2 answers

I believe you just add 29+31+33+35+37+39+41+43+45+47+49 which are 11 terms =429
sum = #of terms(first + last)/2
= 11(29+49)/2
= 429